No clearance issues with oil filter, spark plugs, starter, kick out oil pan, rear mounts, valve cover. Clears firewall that is minimum 7" from back of block. 1 5/8 Primary. 8" long x 3" Dia collector.

1974 - 1988 Chevy Malibu, Monte Carlo, Pontiac Grand Prix, Olds Cutlass, Buick Regal. Camaro 70 - 81. Clears side and rear engine mounts. Motor must be in stock location. Will Fit straight or angle plug heads. Will not clear stock manual clutch linkage...

1973 - 1988 Chevy Malibu, Monte Carlo, Pontiac Grand Prix, Olds Cutlass, Buick Regal. Camaro 70 - 81. Clears side and rear engine mounts. Motor must be in stock location. Will Fit straight or angle plug heads. Will not clear stock manual clutch linkage...

Fits straight or angle plug heads, Exits over frame rail. (Both sides), Will not fit with stock firewall. 1 3/4" Primary. 8" long x 3 1/2" dia collector.

Fits straight or angle plug heads, Exits over frame rail. (Both sides), Will not fit with stock firewall. 1 5/8" - 1 3/4 Primary. 8" long x 3 1/2" dia collector.

Fits straight or angle plug heads, Exits over frame rail. (Both sides), Will not fit with stock firewall. 1 5/8" Primary. 8" long x 3" dia collector.

5/16” flange, 16ga primaries, 2 1/4" 16ga reducers included, excellent spark plug access. 1 5/8 Primary, 5" Long x 3" dia collector. Crate Motor USRA Legal Buy Elbows and Turnouts Elbows: Left side SCH2242L (42 degrees 2 1/4") Right Side SCH2245R...

5/16” flange, 16ga primaries, 2 1/4" 16ga reducers included, excellent spark plug access. 1 5/8 Primary, 5" Long x 3" dia collector. USRA Legal

Fits BMS, Dirtworks, Hoffman, Jet, KMOD, Bob Pierce, Pierce Platinum, Rocket, Sardeson, Smiley's, Swartz, Victory, Xtreme. 1 3/4 Primary. 3 1/2" Collector

Fits BMS, Dirtworks, Hoffman, Jet, KMOD, Bob Pierce, Pierce Platinum, Rocket, Sardeson, Smiley's, Swartz, Victory, Xtreme. 1 5/8 - 1 3/4 Primary, 3" Collector - 8" Long. Crate Motor

Fits BMS, Dirtworks, Hoffman, Jet, KMOD, Bob Pierce, Pierce Platinum, Rocket, Sardeson, Smiley's, Swartz, Victory, Xtreme. 1 5/8 Primary, 3" Collector - 8" Long. Crate Motor

Fits BMS, Dirtworks, Hoffman, Jet, KMOD, Bob Pierce, Pierce Platinum, Rocket, Sardeson, Smiley's, Swartz, Victory, Xtreme. 1 5/8 Primary, 3" Collector - 8" Long.